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Finding the Third Proportional to 28,305 and 66,104

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Solution

The third proportional to 28,305 and 66,104 is: 154,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305 : 66,104 = 66,104 : x
  2. Step 2: Convert to fraction form
    28,305/66,104 = 66,104/x
  3. Step 3: Cross multiply
    28,305x = 66,104 × 66,104
  4. Step 4: Simplify right side
    28,305x = 4,369,738,816
  5. Step 5: Solve for x
    x = 4,369,738,816/28,305
  6. Step 6: Final answer
    x = 154,380.46

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.